/*
 * This file is part of aion-unique <aion-unique.org>.
 *
 * aion-unique is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * aion-unique is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with aion-unique.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.aionemu.gameserver.questEngine.model;

import com.aionemu.gameserver.model.gameobjects.PersistentState;

/**
 * @author MrPoke
 */
public class QuestState
{
	private final int		questId;
	private QuestVars		questVars;
	private QuestStatus		status;
	int				completeCount;
	private PersistentState	persistentState;

	public QuestState(int questId)
	{
		this.questId = questId;
		status = QuestStatus.START;
		questVars = new QuestVars();
		completeCount = 0;
		persistentState = PersistentState.NEW;
	}

	public QuestState(int questId, QuestStatus status, int questVars, int completeCount)
	{
		this.questId = questId;
		this.status = status;
		this.questVars = new QuestVars(questVars);
		this.completeCount = completeCount;
		this.persistentState = PersistentState.NEW;
	}

	public QuestVars getQuestVars()
	{
		return questVars;
	}

	/**
	 * @param id
	 * @param var
	 */
	public void setQuestVarById(int id, int var)
	{
		questVars.setVarById(id, var);
		setPersistentState(PersistentState.UPDATE_REQUIRED);
	}

	/**
	 * @param id
	 * @return Quest var by id.
	 */
	public int getQuestVarById(int id)
	{
		return questVars.getVarById(id);
	}

	public void setQuestVar(int var)
	{
		questVars.setVar(var);
		setPersistentState(PersistentState.UPDATE_REQUIRED);
	}

	public QuestStatus getStatus()
	{
		return status;
	}

	public void setStatus(QuestStatus status)
	{
		this.status = status;
		setPersistentState(PersistentState.UPDATE_REQUIRED);
	}

	public int getQuestId()
	{
		return questId;
	}

	public int getCompleteCount()
	{
		return completeCount;
	}

	public void setCompleteCount(int count)
	{
		this.completeCount = count;
	}

	/**
	 * @return the pState
	 */
	public PersistentState getPersistentState()
	{
		return persistentState;
	}

	/**
	 * @param persistentState the pState to set
	 */
	public void setPersistentState(PersistentState persistentState)
	{
		switch (persistentState)
		{
			case DELETED:
				if (this.persistentState == PersistentState.NEW)
					throw new IllegalArgumentException("Cannot change state to DELETED from NEW");
			case UPDATE_REQUIRED:
				if (this.persistentState == PersistentState.NEW)
					break;
			default:
				this.persistentState = persistentState;
		}
	}
}
